package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.entity.DishFlavor;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.models.auth.In;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Api(tags="菜品相关接口。")
@Slf4j
public class DishController {//菜品管理
    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping
    @ApiOperation("新增菜品！")
    public Result save(@RequestBody DishDTO dishDTO){
        log.info("新增的菜品：{}",dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清理redis缓存数据
        String key="dish_"+dishDTO.getCategoryId();
        redisTemplate.delete(key);
        return Result.success();
    }
    @GetMapping("/page")
    @ApiOperation("菜品分页查询")
    public Result<PageResult> find(DishPageQueryDTO dishPageQueryDTO){//菜品分页查询
        log.info("菜品分页查询：{}",dishPageQueryDTO);
     PageResult pageResult=new PageResult();
        pageResult=dishService.find(dishPageQueryDTO);
        return Result.success(pageResult);
    }
   @DeleteMapping
    @ApiOperation("批量删除菜品")
   public Result delete(@RequestParam List<Long> ids){
        log.info("菜品批量删除:{}",ids);
       dishService.deleteBatch(ids);
       //将所有的菜品缓存数据清理掉，所有以dish_开头的key
      Set keys= redisTemplate.keys("dish_*");
      redisTemplate.delete(keys);//支持集合形式的keys，一次性delete删除
       return Result.success();
   }

@GetMapping("/{id}")//路径参数的形式
@ApiOperation("根据id查询菜品")//修改菜品
public Result<DishVO> getById(@PathVariable Long id){//路径参数的注解
        log.info("根据id查询到的菜品：{}",id);
       DishVO dishVO= dishService.getByIdWidthFlavor(id);//包含口味数据
        return Result.success(dishVO);
}

@PutMapping
@ApiOperation("修改菜品")
public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品：{}",dishDTO);
        dishService.updateWithFlavor(dishDTO);

    //将所有的菜品缓存数据清理掉，所有以dish_开头的key
    Set keys= redisTemplate.keys("dish_*");
    redisTemplate.delete(keys);//支持集合形式的keys，一次性delete删除

        return Result.success();
}

@PostMapping("status/{status}")
@ApiOperation("菜品起售停售")
public Result<String> startOrStop(@PathVariable Integer status,Long id){
      //  dishService.startOrStop(status,id);

    //将所有的菜品缓存数据清理掉，所有以dish_开头的key
    Set keys= redisTemplate.keys("dish_*");
    redisTemplate.delete(keys);//支持集合形式的keys，一次性delete删除所有分类菜品的缓存,也可只清除该菜品所属分类的缓存

    return Result.success();
}

//抽取一个清理缓存的方法
    private void cleanCache(String pattern){
        Set keys=redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
